Home / 9,084.13-12,533.91-5,305.15

Finding the Fourth Proportional to 9,084.13, 12,533.91 and 5,305.15

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Solution

The fourth proportional to 9,084.13, 12,533.91 and 5,305.15 is: 7,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,084.13 : 12,533.91 = 5,305.15 : x
  2. Step 2: Convert to fraction form
    9,084.13/12,533.91 = 5,305.15/x
  3. Step 3: Cross multiply
    9,084.13x = 12,533.91 × 5,305.15
  4. Step 4: Simplify right side
    9,084.13x = 66,494,272.64
  5. Step 5: Solve for x
    x = 66,494,272.64/9,084.13
  6. Step 6: Final answer
    x = 7,319.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.